409057663 has 8 divisors (see below), whose sum is σ = 467616800. Its totient is φ = 350529120.

The previous prime is 409057639. The next prime is 409057703. The reversal of 409057663 is 366750904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 409057663 - 2²¹ = 406960511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409457663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48973 + ... + 56713.

It is an arithmetic number, because the mean of its divisors is an integer number (58452100).

Almost surely, 2^409057663 is an apocalyptic number.

409057663 is a deficient number, since it is larger than the sum of its proper divisors (58559137).

409057663 is an equidigital number, since it uses as much as digits as its factorization.

409057663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15297.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 409057663 is about 20225.1739918350. The cubic root of 409057663 is about 742.3262944709.

The spelling of 409057663 in words is "four hundred nine million, fifty-seven thousand, six hundred sixty-three".